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SubjectRe: [Bug #12401] 2.6.28 regression: xbacklight broken on ThinkPad X61s

* Matthew Garrett <mjg59@srcf.ucam.org> wrote:

> On Sun, Feb 15, 2009 at 11:16:47PM +0100, Tino Keitel wrote:
>
> > I think if it works without DRI in 2.6.27 and doesn't work in 2.6.28,
> > it isn't a configuration error, but a real regression.
>
> It only worked by accident without DRM support, since you were using the
> ATI codepath in the firmware rather than the Intel one. That bug's been
> fixed, [...]

Which precise commit ID is that?

> [...] so now you're following the Intel codepath - unfortunately
> there's no way to do that without kernel-level graphics support, which
> means DRM.

Tino, does it all work fine if CONFIG_DRM is enabled?

Ingo


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